USGS Energy and Broadband Solution

TONGA
09/10/10 19:41:23 UTC
Epicenter: 15.61S 173.12W 

  Me   5.7
Broadband Source Parameters:
 BROADBAND DEPTH:        12.0 km
 RADIATED ENERGY
  No. of sta:  9  Focal mech.  M
  Energy       8.0+1.8*10**12 Nm
 COMMENT:  Depth from synthetics
  of broadband displacement
  seismograms.

Explanation of Parameters
Latest USGS Energy Solutions
Source Parameter Search

For more information, contact George Choy, choy@usgs.gov

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver